About Us

We provide medical services dealing with the prevention, diagnosis, and treatment of diseases for the whole family. We are a
multi-specialty medical practice with three different locations in Weslaco, Texas. Our physicians and support staff are dedicated
to your health and personal care. We have state-of-the-art equipment suitable for a variety of tests and procedures without you
having to leave the facility.

RGV Adult & Internal Medicine

We want you to know that our only focus is you. That is why we have adopted to be a Patient-Centered Medical Home (P.C.M.H.) and ACO. Our model of care differs from others because all emphasis is placed on you. After all, you are the most important member of our team. The care you receive is designed around your individual needs. Your medical team encourages and values communication, and recognizes the value of providing Access and Continuity of care. Whether in the office, hospital, or your home. Our goal is to help you achieve your health goals, Thank you for partnering with us.

RGV ADULT & GERIATRIC MEDICINE SPECIALISTS

RGV Adult and Geriatric Medicine Specialists along with the Mercedes Children’s Clinic is composed of a dynamic group of physicians servicing the Mid-Valley area. With three clinics in Weslaco and a fourth clinic dedicated to pediatric care in Mercedes, we offer convenient healthcare to meet the needs of the community we serve.

Our team is composed of talented board-certified physicians and specialists as well as licensed healthcare professionals who are committed to promoting good health and healthy lifestyles for our adult population as well as for the youngest members of our community.

Our practice acts as both advocates and coordinators of care with an emphasis on treating the whole patient. The practice is made up of Physicians, Physician Assistants (PA) and Nurse Practitioners (NP), Medical Assistants (MA) and office staff who provide high-quality preventive care to our patients and treat their acute and chronic illnesses, as well as, assist with comprehensive palliative and end of life care.

RGV ADULT & GERIATRIC MEDICINE SPECIALISTS

RGV Adult and Geriatric Medicine Specialists along with the Mercedes Children’s Clinic is composed of a dynamic
group of physicians servicing the Mid-Valley area. With three clinics in Weslaco and a fourth clinic dedicated to
pediatric care in Mercedes, we offer convenient healthcare to meet the needs of the community we serve.

Dr. Pedro McDougal - M.D., F.A.C.P., A.G.S.F.

Image of Dr. Pedro McDougal - M.D., F.A.C.P., A.G.S.F.

Diplomate of the American Board of Internal Medicine

Dr. Pedro E. McDougal grew up in the Dominican Republic, a beautiful Latin American island located in the Caribbean. The spirit and charm of this country is captured in its music, food, and national pastimes. His parents are actively involved in radio broadcasting as station owners and directors in The Dominican Republic. Dr. McDougal at the age of six, had his own children’s radio program called The Kingdom of the Children, but despite the excitement of broadcasting, he decided to become a physician to help others. In 1989, Dr. McDougal graduated from The Medical School of Pontifícia Universidad Católica Madre y Maestra in his hometown of Santiago, Dominican Republic. He completed his residency in Internal Medicine at the Cornell University-affiliated hospital St. Barnabas in the Bronx, New York in 1995. The same year he became Board Certified in Internal Medicine.

Dr. McDougal started his private practice in South Texas in 1995. After 10 years of establishing a very successful Internal Medicine practice in Weslaco, Texas, his interest in improving the care of senior citizens led him to a one year fellowship in Geriatric Medicine at University of Texas Health Science Center San Antonio (UTHSCSA) which he completed in 2005. He is now Board Certified in Geriatrics, Hospice and Palliative Medicine.

As a geriatrician, Dr. McDougal recognizes the interdependency of medical, social and psychological issues in the overall health of patients by focusing in function and quality of life of the elderly. Dr. McDougal is committed to teaching physicians and other health care professionals how to provide optimal care for the elderly. He is chief of the Geriatric Division at UTHSCSA’s Regional Academic Health Center where he is also a Clinical Associate Professor in the Department of Medicine. Additionally, he is also a Clinical Instructor for Physician Assistant Studies Program at the University of Texas-Pan American.

Dr. McDougal is a fellow of the American College of Physicians an the American Geriatric Society. He is also the Chairman of the Board and Medical Director for Weslaco Rehab Hospital.

Dr. McDougal and his wife Fifa, an Interior Designer, are proud parents of Emmanuel, Grace and Luis. The family loves to travel and spend quality time together.

Gabriela Solis - F.N.P.

Image of Gabriela Solis - F.N.P.

Gabriela Solis, Family Nurse Practitioner – Board Certified has been employed with RGV Adult & Geriatric Medicine Specialists since August 2012.

Mrs. Solis is a native of Roma, TX. She graduated in the top ten of Roma High School’s class of 2002. From there she went on to pursue an education at The University of Texas – Pan American. In 2006, she graduated with Cum Laude Honors with a Bachelor’s of Science in Nursing.

She previously worked as a Registered Nurse in the medical/surgical and telemetry hospital units; she also has home health experience. In May 2012, Mrs. Solis graduated with a Master’s of Science in Nursing from The University of Texas – Pan American, and obtained her license as a Family Nurse Practitioner – Board Certified.

She is happily married, and is mother to a beautiful baby girl.

Maria "Rosie" Rodriguez - F.N.P.

Image of Maria "Rosie" Rodriguez - F.N.P.

Maria R. Rodriguez was born in México. She was raised in McAllen, Texas. Her parents were migrant workers and traveled the southwest of the United States. She graduated from McAllen High School in 1975.

She attended Texas Southmost College in Brownsville and graduated as a Licensed Vocational Nurse in 1976. In 1980, she received an Associate Degree in Nursing from Del Mar College in Corpus Christi, Texas. She moved to Arlington, Texas and graduated in 1985 from the University of Texas with Bachelor of Science Degree in Nursing. She received her Master Science in Nursing in 1993 from the University of Texas Health Science Center in Houston, Texas. She later attended Texas A&M University for a post-graduate certification as a Family Nurse Practitioner.

As an LVN and RN, she was employed in different hospitals throughout the state of Texas. She has been a staff nurse, charge nurse, director of special service, educator, instructor, and clinical nurse specialist.

Her introduction to primary care was in a family practice office in Weslaco, Texas. She has been employed by RGV Adult & Geriatric Medicine Specialists. Since 2002 her responsibilities include the delivery of primary care in the office, nursing home and hospital setting. For the past 4 years, her practice has involved providing comprehensive medical care and palliative care at the patients’ homes.

Dr. Jose E. Lares - M.D.

Image of Dr. Jose E. Lares - M.D.

Diplomate of the American Board of Internal Medicine

Dr. Jose E. Lares joined RGV Adult & Geriatric Medicine Specialists team in 2008. He is a native of San Benito, Texas. He completed his undergraduate studies at the University of Texas-Pan American where he achieved a degree in Biology with high honors and was inducted into the Phi Kappa Phi National Honor Society. Dr. Lares earned his medical degree from Baylor College of Medicine in Houston, Texas. He went on to receive his specialty training in Internal Medicine at the University of Colorado Health Sciences Center. He is board certified in Internal Medicine. His clinical interests include preventative medicine, rehabilitation medicine, hospice and palliative care and hospital medicine. Dr. Lares provides comprehensive outpatient care, medical consultations, and he cares for hospitalized patients at Knapp Medical Center, Doctors Hospital at Renaissance & Weslaco Rehab Hospital.

He is also a Clinical Associate Professor in the Department of Medicine at UTHSCSA Regional Academic Center. Additionally, he is a Clinical Instructor for Physician Assistant Studies Program at the University of Texas-Pan American.

Rolando Longoria - PA-C

Image of Rolando Longoria - PA-C

Physician Assistant Certified

Rolando Longoria, PA-C is a native of San Benito, Texas where he graduated from San Benito High School. He enlisted in the U.S. Army as a combat medic and was honorably discharged in 1992.

Mr. Longoria graduated as a Physician Assistant from University of Texas Medical Branch – Galveston and received a master’s degree in physician assistant studies with a specialization in Internal Medicine in 2001. Mr. Longoria, for more than a decade, is dedicated to serve our patients at RGV Adult & Geriatric Medicine Specialists.

Rosalba Puente - F.N.P.

Image of Rosalba Puente - F.N.P.

Born and raised in Pharr, Texas, Rosalba Puente Ruiz has been a lifelong resident of the Rio Grande Valley. She is well versed with the needs of our community. Mrs. Puente is married and a proud mother of two very active boys. Mrs. Puente received a Bachelor of Science degree from the University of Texas Pan American in 2000. She completed a Master of Science in Nursing degree in May 2009. Her love of helping those in need began over two decades ago. As a student she worked part time with a local pediatrician, which began her career in the health related professions.

Her nursing experience includes working as a telemetry staff nurse. She also has an extensive working background in surgical services. She served as the Director of the Post Anesthesia Care Unit at Doctors Hospital at Renassisance.

In addition, Mrs. Puente is pursuing certification in hospice and palliative care nursing. Mrs. Puente joined RGV Specialists where she hopes to continue on with her mission of helping others.

Daisy A. Arce - M.D.

Image of Daisy A. Arce - M.D.

Dr. Daisy Arce was valedictorian of her class at the University of Panama Medical School. She specialized in Family Medicine at Downstate Medical Center-State University of New York in Brooklyn and is certified by the Board of Family Practice. She was Assistant Professor and Medical Director of the Family Medicine Center at Downstate. In addition she has dedicated her life to Academics and worked as Clerkship Director of Family Medicine for the Medical School at State University of New York at Brooklyn. Dr. Arce has worked in the Health Insurance Business as Associate Medical Director for Health Network America Panama Branch, and took care of more than 20,000 Panamanian insured patients that worked in the Panama Canal Zone. She has published in peer reviewed journals and written chapters in various books in her specialty.

In 2006, she moved in 2006 to the Rio Grande Valley where she joined RGV Adult & Geriatric Medicine Specialists, offering comprehensive medical attention in Adult Care, Geriatrics, Women’s Health, Obesity Management, and Preventive Medicine.

Dr. Arce has been happily married for twelve years to Dr. Hildegardo Costa, a Pediatric Gastroenterologist, and has three beautiful girls.

Pamela Lopez - F.N.P.

Image of Pamela Lopez - F.N.P.

Family Nurse Practitioner - Board Certified
Certified Diabetes Educator

Ms. Lopez is a native of South Texas, born and raised in Pharr, TX. She graduated with a Bachelor of Science in Nursing from the University of Texas-Pan American in 1997. She graduated with Nursing Honors. She then received a Master of Science degree in Nursing in 2002 and became a Family Nurse Practitioner. Upon graduating, she joined RGV Adult & Geriatric Medicine Specialists. She has been part of the team for over seven years. Additionally, she has held the prestigious title of Certified Diabetes Educator (CDE) since 2004. Presently, Ms. Lopez is pursuing a Doctorate in Nursing Practice (DNP) through the University of Texas Health Science Center at Houston, where she is a prospective 2011 graduate. She is also pursuing a national certification in rehabilitation nursing.

Juana Alicia Mejia - F.N.P.

Image of Juana Alicia Mejia - F.N.P.

Family Nurse Practitioner - Board Certified

Ms. Mejia was born in Belen Del Refugio, Jalisco, Mexico. In 1971, her parents migrated to the United States in search of a better life and greater opportunity. She attended school in Premont, Texas and graduated from high school in 1982. She obtained a licensed vocational nursing certification in 1983 from Bee County College. She worked part time at Brooks County Hospital, where she enjoyed working in the nursing field. She continued to expand her knowledge and expertise in nursing and received an Associate Degree in Nursing from the University of Texas-Pan American in 1990. She then obtained her Bachelor of Science Degree in Nursing at UTPA in 2001. She has over 20 years of nursing experience, expanding over a broad spectrum of specialties including emergency care, adult intensive care and women’s health. Wanting to transition into clinical practice, Ms. Mejia then received her Master of Science degree as a Nurse Practitioner also from UTPA in 2005. She has been part of the RGV Adult & Geriatrics Medicine team since 2006.

Her nursing experience includes working as a telemetry staff nurse. She also has an extensive working background in surgical services. She served as the Director of the Post Anesthesia Care Unit at Doctors Hospital at Renassisance. In addition, Mrs. Puente is pursuing certification in hospice and palliative care nursing. Mrs. Puente joined RGV Specialists where she hopes to continue on with her mission of helping others.

Our Mission and Guiding Principals

We treat all patients, families, and employees with dignity and respect.

We value teamwork and embrace the ever-present challenge of promoting health, disease prevention, improving function and quality of life.

We promote a healing environment at each of our facilities responding to the physical, emotional, social and spiritual needs of our patients.

We respect the regulatory environment in which we operate, and keep up to date with medical knowledge, academic excellence, mentoring new trainees as well as compliance and quality performance within our practice.

We recognize our duty as responsible citizens and participate in various charity endeavors as part of serving our communities.

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RGV Adult & Internal Medicine Affiliations

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